my husband got this but then realised it is not really suited to him. for a person who is an insulin user, it supposedly calculates the amount of insulin needed and you are able to Upload a record of your glucose levels to a pc. this has been opened but is unused.plz check with your doctor before using this that they are able to supply the appropriate strips, It does come with a few to start off with.sat in a cupboard doing nothing so anyone that can use it is welcome.